/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 38 Sketch the polynomial function u... [FREE SOLUTION] | 91Ó°ÊÓ

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Sketch the polynomial function using transformations. $$h(x)=(x+1)^{4}$$

Short Answer

Expert verified
The graph of the function \((x+1)^4\) will be the same as the graph of the function \(x^4\), but shifted 1 unit to the left.

Step by step solution

01

Identify the base function

The base function in this polynomial is \(x^4\). It is a basic polynomial function which has a shape similar to \(y=x^2\) but steeper.
02

Identify the transformations

The transformation applied to the base function is a horizontal shift. In detailed, the term inside the brackets \((x+1)^4\) shows that the function will shift 1 unit to the left from the standard \(x^4\) graph.
03

Plot the base function

First draw the standard function of \(x^4\). It starts at the origin (0,0) and as \(x\) moves away from the origin in either direction, \(x^4\) gets larger.
04

Apply transformations

After drawing the base graph of \(x^4\), apply the identified transformation. Here, shift the graph of the base function one unit to left. Every point on the graph of \(x^4\) will move one unit to left to create the graph of \((x+1)^4\).
05

Final result

The final graph of the given polynomial function \((x+1)^4\) should have the same shape as that of \(x^4\), but it should be shifted 1 unit to the left. The sketch should pass through the point (-1, 0).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Horizontal Shift
A horizontal shift in polynomial transformations results in moving the entire graph of a function left or right on the coordinate plane. This transformation is dictated by the addition or subtraction inside the function's argument. In the expression \(h(x) = (x+1)^4\),the "+1" within the parentheses indicates a shift.To determine the direction of the shift:- A positive sign inside the parentheses, such as \( (x+1) \),shifts the graph to the left.- Conversely, a negative sign would shift it to the right.Therefore, for \( (x+1)^4 \),the graph of \(x^4\) shifts one unit to the left. This means that every point on \(x^4\) will move one unit leftward, maintaining the shape but changing the position on the graph.
Base Polynomial Function
Understanding a base polynomial function is crucial for applying transformations effectively. The base function refers to the simplest form before any transformations. In this case, the base polynomial function is\(x^4\).Characteristics of the base function \(x^4\):- It is a symmetric function around the y-axis.- The graph passes through the origin \((0, 0)\)with a notable steepness compared to \(x^2\).- As \(x\) becomes increasingly positive or negative, the function rapidly increases in the positive \(y\)direction.Recognizing these features allows us to foresee how transformations will affect the graph.
Graphing Techniques
Using graphing techniques efficiently can help in both understanding and sketching polynomial functions. When graphing a function like \((x+1)^4\),start by visualizing the base function \(x^4\).First, draw the basic \(x^4\)curve which is centered at the origin. Now, considering the transformation, apply the horizontal shift.Key graphing techniques include:
  • Identify the vertex or critical points of the base graph.
  • Apply transformations (like shifts) to these key points.
  • Preserve the shape while translating points — in the case of horizontal shifts, just move left or right.
  • Check the alignment with axes to avoid common graphing errors.
Applying these strategies simplifies sketching the transformation outcome.
Transformation Effects
Transformation effects cause a polynomial to alter its position or orientation on a graph, without changing its inherent shape or symmetry.The primary types of transformations include:
  • Horizontal shifts: Moves the graph left or right based on modifications inside the function argument.
  • Vertical shifts: Adjusts the graph up or down when added or subtracted from the entire function.
  • Reflections: Flip the graph over an axis, altering the direction of keys points while keeping distances intact.
  • Stretches/Shrinks: Affect the steepness or breadth of the graph, changing how quickly the values grow or decline as \(x\)changes.
For our function \((x+1)^4\),the transformation is purely horizontal; hence it retains the original curve's symmetry and orientation, merely repositioning it in the coordinate plane by moving 1 unit left.

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Most popular questions from this chapter

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